Fechner's law

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  • noun

Synonyms for Fechner's law

(psychophysics) the concept that the magnitude of a subjective sensation increases proportional to the logarithm of the stimulus intensity

References in periodicals archive ?
Thus, Freudian and Wagnerian are excluded, yet Johannisberger and Mauser are listed; tantalizingly, we find Fechner's law, but not Grimm's law.
The gist of their argument is that if the empirical data consist of no more than the marking off of successive just noticeable differences along a continuum, many more schemes of numerical assignment are possible besides Fechner's law. Fechner's procedure of replacing a finite difference (the jnd) with a differential is unjustified and, except in the special case of Weber's law, actually gives the wrong answer.